Home / 6,375.81-8,798.55-3,723.63

Finding the Fourth Proportional to 6,375.81, 8,798.55 and 3,723.63

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Solution

The fourth proportional to 6,375.81, 8,798.55 and 3,723.63 is: 5,138.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,375.81 : 8,798.55 = 3,723.63 : x
  2. Step 2: Convert to fraction form
    6,375.81/8,798.55 = 3,723.63/x
  3. Step 3: Cross multiply
    6,375.81x = 8,798.55 × 3,723.63
  4. Step 4: Simplify right side
    6,375.81x = 32,762,544.74
  5. Step 5: Solve for x
    x = 32,762,544.74/6,375.81
  6. Step 6: Final answer
    x = 5,138.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.